<html>
<head>
<title></title>
</head>
<body>
<script>
try {
  if (another.value !== true) {
    console.log("another.value is not true!");
    document.title = "Fail";
  } else {
    document.title = "Pass";
  }
} catch(e) {
    console.log(e);
    document.title = "Fail";
}
</script>
</body>
</html>
